Thirty years ago, Sony of Japan invented a lithium-ion battery, which revolutionized the face of consumer electronics. Subsequently, lithium-ion battery technology gradually improved, and now, to enter the field of consumer electronics, driverless cars and other hardware, a research team of technology giant Google is working on the next generation of breakthrough battery technology, trying to break the current obstruction of mobile devices The biggest bottleneck in development is battery life. Schmidt on Google Driverless Vehicle (left) What is Google studying secretly? In recent years, Google has penetrated into many industries, such as transportation, medical care, robotics, and communications technology, all of which require more efficient batteries. In 2013, Google’s chief executive, Larry Page, once said that battery life is a “major issue†for mobile devices, and there is also a “real potential†for creating new and better experiences in this area. Obviously, Google hopes to control more of its own destiny and hardware supply chain. The development of drones, driverless cars and other hardware products will require batteries with better endurance. As a result, a former Apple expert, Dr. Ramesh Bhardwaj, led a four-member research team to start secretly studying next-generation battery technology at Google Google Labs. A Google spokesman declined to comment, or Let Badwajer be interviewed. But he once told industry insiders that Google has at least 20 battery-dependent projects: driverless cars rely on batteries to provide power; the first generation of Google glasses is plagued by short battery life; a project to use nanoparticles to diagnose diseases, Its monitoring equipment relies on small battery power... many items are still unknown. In fact, as early as the end of 2012, Budwaj started to lead the team to test batteries developed by other companies for Google's equipment. About a year later, the team considered developing those battery technologies from Google itself. According to informed sources, the ongoing research of the Badvajer team includes two general directions: improving the current lithium-ion battery life and developing advanced solid-state battery technology to make them suitable for consumer electronics devices. At a meeting in February, Badwage explained the use of solid-state thin film batteries in smart phones, as well as in thinner, bendable wearable devices and even implanted devices. He said, "For Google Glass and other wearable devices, advanced battery technology helps provide higher energy density. For contact lenses, solid-state thin-film batteries are safer because it does not use flammable electrolytes." Emerging battery technologies in recent years have allowed people to see hopes for significant improvements in battery performance. For example, solid-state thin-film batteries deliver current through solids instead of liquids, making them smaller and safer. This type of battery can be made into a flexible film and is ideal for small mobile devices. According to Venkat Srinivasan, a researcher at the Lawrence Berkeley National Laboratory under the U.S. Department of Energy, it is unclear whether such batteries can be mass-produced at low cost. In addition, Google's other team is also working with battery technology company AllCell from Chicago to develop more capacity batteries for four hardware projects, including the project of floating balloon networking Project Loon, using floating balloons to provide Internet connectivity. A video from the end of 2013 showed that Google engineers used AllCell's battery in Project Loon. New battery war started At the end of February, Apple’s rumors of an electric car being built will stir up waves and people are guessing whether it is true or not. One of the evidences is that Apple is secretly encroaching on battery engineers. Battery maker A123 Systems sued Apple for its top 5 engineers. Some good people searched the LinkedIn data and found that Apple had at least seven employees from A123. These people are mainly good at cell design, material development, and manufacturing engineering. The five engineers involved in the A123 lawsuit applied for 23 patents, many of which were related to batteries. At the same time, Apple is trying to use better salary treatment and development prospects to compete for battery experts from rival Samsung. For Apple, the electric vehicle business is a new field, and experts in the battery field are obviously essential. But this is not enough to prove that Apple regards battery technology as the focus of current technological research. Tesla, which is committed to the development of electric vehicles, is different. The company and Panasonic have joined forces to jointly invest in lithium-ion battery “super factories†to manufacture batteries with higher energy density and lower cost, and will be listed as “Model 3†in 2017. Cheap electric cars provide battery packs. It is clear that Tesla’s demand for batteries is to meet the production capacity of electric vehicles as much as possible and reduce costs. As mentioned earlier, Google’s battery research direction is solid-state battery technology, which has to remind people that one month ago, lithium battery startup Sakti3 got the British home appliance giant Dyson’s $15 million investment. The startup, which specializes in lithium battery R&D, holds a stunt that the battery power density developed by Sakti3 reaches 1,000 watt-hours per liter, which is twice that of current lithium-ion batteries, and the batteries of smartphones, laptops, and electric cars. The performance will therefore be greatly improved. Dyson is helping to commercialize Sakti3's lithium battery technology and integrate it into their home appliances. Sakti3's mysterious batteries use new materials and production technologies to achieve higher energy density. They claim that they can store 1,000 watt-hours per liter. Electric vehicle mileage can be increased from 256 miles to 480 miles (about 772 kilometers). Low, fast charging and discharging, more environmentally friendly, and safer than some standards. This technology has abandoned the flammable liquid electrolyte in traditional lithium batteries, achieved technological progress through its high-energy storage materials, and most importantly, its price is lower, about 100 US dollars per kilowatt-hour, far lower than the current 200 to 300. The market price of the dollar can be applied to electric vehicles that are limited by cost and mileage restrictions in the future. Currently, Sakti3's lithium battery technology is in the research and development stage, and it takes a few years to reach commercialization. If this team's R&D speed is faster than Google's, then Dyson's products are likely to be the first to apply advanced full-generation battery technology. . In the past few years, Google has been constantly trying to apply many other forms of technology to batteries. Google’s rumors of going into the electric car field have never stopped. Google Chairman Eric Schmidt once said in 2013: “The speed and process of replacing the internal combustion engine with an electric motor is like replacing the traditional digital camera and memory card. Films are as fast and natural as history has proven that new technologies are always born and prospered in innovative companies, as long as the technological level has a crucial breakthrough, the era of electric cars will also come quickly ... 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